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Emit mortal transactions from relay (#1073)

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* mortal relay transactions

* sign block hash for mortal transactions

* TransactionEraOf

* add explanation

* enable mortal transactions for Westend -> Millau headers relay

* clippy

* spellcheck
This commit is contained in:
Svyatoslav Nikolsky
2021-09-02 10:55:57 +03:00
committed by Bastian Köcher
parent 8b52cd2593
commit 864c830618
33 changed files with 249 additions and 73 deletions
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bridges/relays/client-substrate/src/lib.rs
+14 -1
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@@ -29,11 +29,13 @@ pub mod guard;
pub mod headers_source;
pub mod metrics;
use std::time::Duration;
pub use crate::chain::{BlockWithJustification, Chain, ChainWithBalances, TransactionSignScheme};
pub use crate::client::{Client, JustificationsSubscription, OpaqueGrandpaAuthoritiesSet};
pub use crate::error::{Error, Result};
pub use crate::sync_header::SyncHeader;
pub use bp_runtime::{BlockNumberOf, Chain as ChainBase, HashOf, HeaderOf};
pub use bp_runtime::{BlockNumberOf, Chain as ChainBase, HashOf, HeaderOf, TransactionEra, TransactionEraOf};
/// Header id used by the chain.
pub type HeaderIdOf<C> = relay_utils::HeaderId<HashOf<C>, BlockNumberOf<C>>;
@@ -58,3 +60,14 @@ impl Default for ConnectionParams {
}
}
}
/// Returns stall timeout for relay loop.
///
/// Relay considers himself stalled if he has submitted transaction to the node, but it has not
/// been mined for this period.
///
/// Returns `None` if mortality period is `None`
pub fn transaction_stall_timeout(mortality_period: Option<u32>, average_block_interval: Duration) -> Option<Duration> {
// 1 extra block for transaction to reach the pool && 1 for relayer to awake after it is mined
mortality_period.map(|mortality_period| average_block_interval.saturating_mul(mortality_period + 1 + 1))
}